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Search: id:A140651
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| 1, 2, 3, 8, 5, 36, 7, 32, 27, 100, 11, 144, 13, 196
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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For n>1, a(n) = n iff n is prime.
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FORMULA
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A140579^(-1) * (1, 4, 9, 16, 25,...).
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EXAMPLE
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A140579 = an infinite lower triangular matrix with A014963 in the main diagonal and the rest zeros; where A014963 = (1, 2, 3, 2, 5, 1, 7,...).
a(5) = 5 = 1/A014963(5) * 25 = (1/5)*25.
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CROSSREFS
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Cf. A140579, A014963.
Sequence in context: A119794 A117987 A091136 this_sequence A007955 A162537 A109844
Adjacent sequences: A140648 A140649 A140650 this_sequence A140652 A140653 A140654
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson and Mats Granvik (qntmpkt(AT)yahoo.com), May 20 2008
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